Her sister is a nurse and her job is to care for sick people.A. look atB. look upC. look a

问题补充：

Her sister is a nurse and her job is to care for sick people.

A. look at

B. look up

C. look after

D. look for

答案：

A. look at

B. look up

(答案→)C. look after

D. look for

解析：两者都是照顾的意思